var form = "";
var submitted = false;
var error = false;
var error_message = "";
var error_num = 0;
var is_dialog = false;

function check_input(field_name, field_size, message) {
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var field_value = form.elements[field_name].value;

    if (field_value == '' || field_value.length < field_size) {
      error_message = error_message + "<span class='inputRequirement'>*</span> " + message + "<br>";
      error = true;
	  error_num++;
    }
  }
}

function check_radio(field_name, message) {
  var isChecked = false;

  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var radio = form.elements[field_name];

    for (var i=0; i<radio.length; i++) {
	  if (radio[i].checked == true) {
        isChecked = true;
        break;
      }
    }

    if (isChecked == false) {
      error_message = error_message + "<span class='inputRequirement'>*</span> " + message + "<br>";
      error = true;
	  error_num++;
    }
  }
}

function check_select(field_name, field_default, message) {
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var field_value = form.elements[field_name].value;

    if (field_value == field_default) {
      error_message = error_message + "<span class='inputRequirement'>*</span> " + message + "<br>";
      error = true;
	  error_num++;
    }
  }
}

function check_password(field_name_1, field_name_2, field_size, message_1, message_2) {
  if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) {
    var password = form.elements[field_name_1].value;
    var confirmation = form.elements[field_name_2].value;

    if (password == '' || password.length < field_size) {
      error_message = error_message + "<span class='inputRequirement'>*</span> " + message_1 + "<br>";
      error = true;
	  error_num++;
    } else if (password != confirmation) {
      error_message = error_message + "<span class='inputRequirement'>*</span> " + message_2 + "<br>";
      error = true;
	  error_num++;
    }
  }
}

function check_password_new(field_name_1, field_name_2, field_name_3, field_size, message_1, message_2, message_3) {
  if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) {
    var password_current = form.elements[field_name_1].value;
    var password_new = form.elements[field_name_2].value;
    var password_confirmation = form.elements[field_name_3].value;

    if (password_current == '' || password_current.length < field_size) {
      error_message = error_message + "<span class='inputRequirement'>*</span> " + message_1 + "<br>";
      error = true;
	  error_num++;
    } else if (password_new == '' || password_new.length < field_size) {
      error_message = error_message + "<span class='inputRequirement'>*</span> " + message_2 + "<br>";
      error = true;
	  error_num++;
    } else if (password_new != password_confirmation) {
      error_message = error_message + "<span class='inputRequirement'>*</span> " + message_3 + "<br>";
      error = true;
	  error_num++;
    }
  }
}

function check_email(field_name, message){
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var email = form.elements[field_name].value
    var host = email.substring(0,email.indexOf('@'))
    var server = email.substring(email.indexOf('@')+1, email.length)

    if (host.length == 0 || server.length == email.length || server.indexOf('.') < 1) {
	error_message = error_message + "<span class='inputRequirement'>*</span> " + message + "<br>";
	error = true;
	error_num++;
    }
  }
}

function check_terms(field_name, message){
	var isChecked = false;
	if(form.elements[field_name] && (form.elements[field_name].type != 'hidden')) {
		var check_box = form.elements[field_name];
		if (check_box.checked == true)
		{
			isChecked = true;
		}
		if(isChecked == false) {
			error_message = error_message + "<span class='inputRequirement'>*</span> " + message + "<br>";
			error = true;
			error_num++;
		}
	}
}

function showDialog(t,a,g) {
	tb_show('Error',a,g);
}

function check_form(form_name) {
  if (submitted == true) {
    alert("This form has already been submitted. Please press Ok and wait for this process to be completed.");
    return false;
  }

  error = false;
  form = form_name;
  error_message_title = "<h1>Errors have occured during the process of your form.</h1><p>Please make the following corrections:</p>";
  error_message = '';

  check_input("firstname", 2, "Your <strong>First Name</strong> must contain a minimum of 2 characters.");
  check_input("lastname", 2, "Your <strong>Last Name</strong> must contain a minimum of 2 characters.");

  check_input("email_address", 6, "Your <strong>E-Mail Address</strong> must contain a minimum of 6 characters.");
  check_input("street_address", 5, "Your <strong>Street Address</strong> must contain a minimum of 5 characters.");
  check_input("postcode", 4, "Your <strong>Zip Code</strong> must contain a minimum of 4 characters.");
  check_input("city", 3, "Your <strong>City</strong> must contain a minimum of 3 characters.");

  check_input("state", 2, "Your <strong>State</strong> must contain a minimum of 2 characters.");

  check_select("country", "", "You must select a <strong>Country</strong> from the Countries pull down menu.");

  check_input("telephone", 3, "Your <strong>Telephone Number</strong> must contain a minimum of 3 characters.");

  check_password("password", "confirmation", 5, "Your <strong>Password</strong> must contain a minimum of 5 characters.", "The Password Confirmation must match your Password.");
  check_password_new("password_current", "password_new", "password_confirmation", 5, "Your <strong>Password</strong> must contain a minimum of 5 characters.", "Your new <strong>Password</strong> must contain a minimum of 5 characters.", "The Password Confirmation must match your new Password.");
  
  check_terms('terms_accepted', 'You must accept the <strong>BigRugRack.com Terms And Conditions</strong>.');

  if(error == true) {
	$.prompt(error_message_title + '<p>' + error_message + '</p>');
			error_message = '';
			error = false;
	return false;
  } else {
	submitted = true;
	return true;
  }
}